private async Task CreatePostAsync(Guid id, CreatePostRequest createPostRequest)
{
using (_logger.BeginScope($"Creating post for day {createPostRequest.DayNumber}"))
{
var sw = Stopwatch.StartNew();
var nextPostIdTask = _postsRepository.GetNextPostIdAsync();
var timeStamp = (int)(DateTime.UtcNow - DateTime.UnixEpoch).TotalSeconds;
_logger.LogInformation($"timestamp for post = {timeStamp}");
var photoAttachments = new List <PhotoAttachment>();
var photoTasks = new List <Task>();
_logger.LogInformation($"# of photos to process = {createPostRequest.Photos.Count}");
for (var photoIndex = 0; photoIndex < createPostRequest.Photos.Count; photoIndex++)
{
var originalKey = $"posts/{timeStamp}/pa-original-{photoIndex}.jpg";
var mobileKey = $"posts/{timeStamp}/pa-mobile-{photoIndex}.jpg";
var previewKey = $"posts/{timeStamp}/pa-preview-{photoIndex}.jpg";
var photoAttachment = new PhotoAttachment();
var photoBytes = createPostRequest.Photos[photoIndex];
var originalResizeTask = ResizeAndUploadPhotoAsync(photoBytes, 2560, originalKey).ContinueWith(task =>
{
photoAttachment.Width = task.Result.width;
photoAttachment.Height = task.Result.height;
photoAttachment.Src = task.Result.location;
});
var mobileResizeTask = ResizeAndUploadPhotoAsync(photoBytes, 1280, mobileKey).ContinueWith(task =>
{
photoAttachment.MobileSrc = task.Result.location;
});
var previewResizeTask = ResizeAndUploadPhotoAsync(photoBytes, 640, previewKey).ContinueWith(task =>
{
photoAttachment.PreviewSrc = task.Result.location;
});
var index = photoIndex;
var batchTask = Task.WhenAll(originalResizeTask, mobileResizeTask, previewResizeTask).ContinueWith(t =>
{
_eventsMap[id].AddEvent($"Photo attachment #{index + 1} was processed.");
});
photoTasks.Add(batchTask);
photoAttachments.Add(photoAttachment);
}
await Task.WhenAll(photoTasks.Append(nextPostIdTask));
var post = new Post(nextPostIdTask.Result, createPostRequest.Text, createPostRequest.Hashtag, timeStamp, createPostRequest.DayNumber, createPostRequest.VideoUrl, photoAttachments);
await _postsRepository.PutItemAsync(post);
_logger.LogInformation($"post created within {(int) sw.ElapsedMilliseconds} ms");
_eventsMap[id].Complete();
}
}
private PhotoAttachment ParsePhotoAttachment(JObject _jPhoto)
{
try
{
if (_jPhoto[PAttachmentsPhoto] is JObject photoJObj)
{
var photoAttachment = new PhotoAttachment();
photoAttachment.Id = photoJObj[PId].Value <int>();
photoAttachment.AlbumId = photoJObj[PPhotoAlbumId].Value <int>();
photoAttachment.OwnerId = photoJObj[PAttachmentOwnerId].Value <int>();
photoAttachment.UserId = photoJObj[PPhotoUserId]?.Value <int>();
photoAttachment.Text = photoJObj[PPhotoText]?.Value <string>();
photoAttachment.Date = EpochTimeConverter.ConvertToDateTime(photoJObj[PDate].Value <long>());
photoAttachment.AccessKey = photoJObj[PAttachmentAccessKey]?.Value <string>();
var sizes = new List <PhotoSizeInfo>();
if (photoJObj[PPhotoSizes] is JArray jSizes)
{
foreach (var jSize in jSizes)
{
var type = (PhotoSizeType)Enum.Parse(typeof(PhotoSizeType), jSize[PSizesType].Value <string>());
var url = jSize[PUrl].Value <string>();
var width = jSize[PSizesWidth].Value <int>();
var height = jSize[PSizesHeight].Value <int>();
var sizeInfo = new PhotoSizeInfo(type, url, width, height);
sizes.Add(sizeInfo);
}
}
photoAttachment.Sizes = sizes.ToArray();
return(photoAttachment);
}
}
catch (Exception ex)
{
throw new InvalidOperationException($"Failed to parse photo attachment \n {_jPhoto.ToString()}", ex);
}
throw new ArgumentException($"Failed recognize jObject as photo attachment \n {_jPhoto?.ToString()}");
}
public void FromService(object obj)
{
CasheStatus = CasheStatus.Sync;
Attachment attachment = (Attachment) obj;
Type = attachment.Type;
switch (AttachmentType)
{
case AttachmentType.Photo:
if (Photo == null)
Photo = new PhotoAttachment();
Photo.FromService(attachment.Photo);
break;
case AttachmentType.Doc:
if (Document == null)
Document = new DocumentAttachment();
Document.FromService(attachment.Document);
break;
case AttachmentType.Video:
break;
case AttachmentType.Audio:
break;
case AttachmentType.Map:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public void FromCashe(XElement element)
{
CasheStatus = CasheStatus.FromCashe;
XAttribute attr;
if ((attr = element.Attribute(TypePropertyName)) != null)
Type = attr.Value;
XElement attachmentElement;
switch (AttachmentType)
{
case AttachmentType.Photo:
if ((attachmentElement = element.Element(PhotoAttachment.ElementNameStatic)) != null)
{
if (Photo == null)
Photo = new PhotoAttachment();
Photo.FromCashe(attachmentElement);
}
break;
case AttachmentType.Doc:
if ((attachmentElement = element.Element(DocumentAttachment.ElementNameStatic)) != null)
{
if (Document == null)
Document = new DocumentAttachment();
Document.FromCashe(attachmentElement);
}
break;
case AttachmentType.Video:
break;
case AttachmentType.Audio:
break;
case AttachmentType.Map:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
internal static ChatMessage ParseSingleMessage(string chatMessageJson)
{
ChatMessage chatMessage = null;
try
{
if (string.IsNullOrEmpty(chatMessageJson) && !Util.IsValidJsonObjectString(chatMessageJson))
{
throw new Exception("Invalid JSON object string !");
}
//If chat message is a proper json object instead of null, it will definitely have a message content which contain segment and Attachment.
if (Util.IsJsonObject((JObject.Parse(chatMessageJson)).GetValue("message_content")))
{
JObject jObjChatMessageContent = (JObject)((JObject.Parse(chatMessageJson)).GetValue("message_content"));
JArray jArraySegment = null;
if (Util.IsJsonArray(jObjChatMessageContent.GetValue("segment")))
{
jArraySegment = (JArray)jObjChatMessageContent.GetValue("segment");
}
JArray jArrayAttachment = null;
if (Util.IsJsonArray(jObjChatMessageContent.GetValue("attachment")))
{
jArrayAttachment = (JArray)jObjChatMessageContent.GetValue("attachment");
}
string message = "";
if (jArraySegment != null)
{
foreach (JObject jObj in jArraySegment)
{
message += jObj.GetValue("text") + Environment.NewLine;
}
}
//Risky part of parsing due to weird JSON structure, i'll just ignore data seemed to be useless.
/*
{ '27639957':
[ [ 'https://plus.google.com/photos/albums/p4jmatfi9qm621falthi1lkmblvjmjffi?pid=6218699856246635330&oid=107510317300187854172',
,
,
'https://lh3.googleusercontent.com/-HE_B_dR6JdY/Vk1Ckjhae0I/AAAAAAAAAAU/_m1Z9KuVZsA/s0/Desert.jpg',
,
,
,
,
,
1024,
768 ],
'107510317300187854172',
'6218699858622478097',
'6218699856246635330',
,
'https://lh3.googleusercontent.com/-HE_B_dR6JdY/Vk1Ckjhae0I/AAAAAAAAAAU/_m1Z9KuVZsA/s0/Desert.jpg',
,
,
,
'https://lh3.googleusercontent.com/Py6fFZ9K0F-Tit2CM2wv6JUfT1Ftqv_7a7vjhi5M_Q',
,
,
1,
[ 'BABEL_STREAM_ID',
'BABEL_UNIQUE_ID_4232c25c-de3a-4750-9c72-f2b2609daec5',
'shared_group_6218699839102330066' ] ] }
*/
PhotoAttachment photoAttachment = null;
if (jArrayAttachment != null)
{
foreach (JObject jObj in jArrayAttachment)
{
JArray jArrayData = (JArray)jObj.SelectToken("embed_item.data[\'" + CHAT_MESSAGE_ATTACHMENT_PHOTO + "\']");
photoAttachment = new PhotoAttachment(
jArrayData.SelectToken("[9]").ToString(),
jArrayData.SelectToken("[0][3]").ToString(),
jArrayData.SelectToken("[0][0]").ToString(),
int.Parse(jArrayData.SelectToken("[0][9]").ToString()),
int.Parse(jArrayData.SelectToken("[0][10]").ToString())
);
}
}
chatMessage = new ChatMessage(message, photoAttachment);
}
return chatMessage;
}
catch (Exception ex)
{
throw new HangoutsException("ParseSingleMessage : " + ex.Message + Environment.NewLine + ex.StackTrace);
}
}
public ChatMessage(string message, PhotoAttachment photoAttachment)
{
this.Message = message;
this.Attachment = photoAttachment;
}